Samsung Galaxy A8 (SM-A800S) vs Asus Zenfone 3 Ultra (ZU680KL 128GB)
Side by side comparison between Samsung Galaxy A8 vs Asus Zenfone 3 Ultra phones, differences, pros, cons and full specifications. What's the better?
,
5.7"
AMOLED
AMOLED
1080x1920
16
MP
MP
5mp
2GB
RAM
RAM
Octa-core
3050
mAh
mAh
(Non removable)
vs
6.8"
IPS+
IPS+
1080x1920
23
MP
MP
8mp
4GB
RAM
RAM
Octa-core
4600
mAh
mAh
(Non removable)
What's the better phone? Asus Zenfone 3 Ultra (ZU680KL 128GB)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
9 Advantages 
17 Advantages | 22 Common items in both devices |
| 16 million |
| 1080x1920 pixels |
| Only digital zoom |
| Autofocus / LDAF/PDAF: laser/phase detection autofocus |
| (front) Full HD (1920x1080) |
| 4G LTE / 4G LTE-A |
| Capacitive |
| +15 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Galaxy A8 (SM-A800S) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| Model | Galaxy A8 (SM-A800S) | Zenfone 3 Ultra (ZU680KL 128GB) |
| Other model names | Samsung Galaxy A8 A800S (4G LTE) | Asus Zenfone 3 Ultra 4GB/128GB ZU680KL DualSim, Asus Mercury |
| Country or region available |  South Korea |  (Global, International) |
| Brand | Samsung | Asus |
| Release date | 7/24/2015 | 8/1/2016 |
| Depth | 5.9 millimeters (0.23 inches) | 6.8 millimeters (0.27 inches) |
| Size (width x height) | 76.8 x 158 millimeters (3.02 x 6.22 in) | 93.9 x 186.4 millimeters (3.7 x 7.34 in) |
| Weight | 151 grams (5.29 ounces) | 233 grams (8.16 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy A8 (SM-A800S) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| Display type | Super AMOLED | TFT Super IPS+ |
| Screen size | 5.7" inches | 6.8" inches |
| Screen-to-body ratio | ~73.8% (screen-to-body ratio) | ~72.8% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 386 PPI | 324 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 4 | Gorilla Glass 4 |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Galaxy A8 (SM-A800S) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| System version | Android 5.1.1 Lollipop | Android 6.0.1 Marshmallow |
| Firmware update | Android 6.0 Marshmallow | Android 8.0 Oreo |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy A8 (SM-A800S) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| Chipset | 32bit: Samsung Exynos 5 Octa 5430 (28nm) | 64bit: Qualcomm Snapdragon 652 MSM8976 (28nm) |
| CPU | Octa-core, 2 processors: 4x 1.8GHz ARM Cortex-A15 (Quad-core) 4x 1.3GHz ARM Cortex-A7 (Quad-core) | Octa-core, 2 processors: 4x 1.8GHz ARM Cortex-A72 (Quad-core) 4x 1.4GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | ARM Mali-T628 MP6 600Mhz | Qualcomm Adreno 510 600Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy A8 (SM-A800S) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| RAM memory | 2GB LPDDR3 | 4GB LPDDR4 |
| Internal storage | 32GB (25GB available) eMMC 5.0 | 128GB (118GB available) |
| External storage | Until 128GB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Galaxy A8 (SM-A800S) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF) |
| Maximum Download / Upload | 150/50 Mbps | 300/50 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Tri-Band 900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/1900/2100 | Global version: UMTS 800/850/900/1900/2100 China version: CDMA2000, TD-SCDMA 1900/2000 UMTS 800/850/900/1900/2100 |
| Primary 4G network | LTE Cat4 (Bands 1, 3, 5, 7, 8, 17) | LTE Cat6 Global version: LTE (Bands 1,3,5,7,8,18,19,20,26,28) TD-LTE (Bands 38,40,41) China version: LTE (Bands 1,3,5,7,8,18,19,20,26,28) TD-LTE (Bands 38,39,40,41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| Galaxy A8 (SM-A800S) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| Back camera (main camera) | 16 megapixels | 23 megapixels |
| Main camera resolution | 4608x3456 pixels | 5520x4140 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 24 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/1.9 (aperture) | f/2.0 (aperture) |
| Focal length | 31mm lens | feature not registered |
| Sensor size | feature not registered | 1/2.6" inches |
| Pixel size | feature not registered | 1.12µm pixel |
| Autofocus | Autofocus | LDAF/PDAF: laser/phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS (4-axis): Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy A8 (SM-A800S) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| Front camera (secondary) | 5 megapixels | 8 megapixels |
| Front camera resolution | 2592x1944 pixels | 3264x2448 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.9 (aperture) | f/2.0 (aperture) |
| Focal length | 23mm lens | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy A8 (SM-A800S) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM (RDS) | FM (RDS) |
| TV | Digital TV | Not supported |
| Video formats | MP4, H.264, H.263, MKV, WMV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy A8 (SM-A800S) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C reversible connector |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | USB Type-C SlimPort® |
| Bluetooth | 4.1 + A2DP | 4.2 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Galaxy A8 (SM-A800S) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Compass Fingerprint sensor (front-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A8 (SM-A800S) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3050 mAh | 4600 mAh |
| Charger, watts | Wired charging | 18W (9V/2A) Wired fast charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 18 hours | 34 hours (1.4 days) |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy A8 (SM-A800S) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White, Gold • Samsung TouchWiz UX • T-DMB TV (Korea) | • Colors: Titanium Gray, Glacier Silver, Rose Gold • USB OTG On-The-Go • Asus ZenUI 3.0 • Sony IMX318 sensor camera • DTS headphone • Hi-Res audio 192kHz/24bit • Quick Charge 3.0 • Fast charging battery: 60% in 45min • Miracast |
☢️ Radiation rate | ||
| Galaxy A8 (SM-A800S) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.191W/kg (head), 1.46W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.256W/kg (head), 0.576W/kg (body) | feature not registered |